<li id="left_menu_clazz_dashboard_tree" class="nav-item has-treeview left_menu_tree_open">
    <a id="left_menu_dashboard" href="#" class="nav-link left_menu_button_active">
        <i class="nav-icon fas fa-tachometer-alt"></i>
        <p>仪表盘<i class="fas fa-angle-left right"></i></p>
    </a>
    <ul class="nav nav-treeview">
        <li class="nav-item">
            <a id="left_menu_clazz_dashboard" onclick="loadClazzDashboard()" href="javascript:void(0)"
                class="nav-link left_menu_button_active">
                <i class="far fa-circle nav-icon"></i>
                <p>班级仪表盘</p>
            </a>
        </li>

    </ul>
</li>